The answer is x=-6.33333 (-19/3)
First, add like terms (12+7), which would equal to 19.
Then isolate the variable by subtracting 19 and adding it to the other side of the equal sign.
Now with this new equation of 3x=-19, isolate again by dividing 3 from x and do the same thing to the other side (-19/3).
The answer should be -6.33 repeating, but in algebra you would give a more simplified answer. This would be -19/3
10. -8 1/2, -7.2, 47/9, 5 1/4, 6.75
Step-by-step explanation:
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Answer:they each contributed 6 $
Step-by-step explanation:
